1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.bi.rules;
24  
25  import java.util.ArrayList;
26  import java.util.Arrays;
27  import java.util.List;
28  
29  /**
30   * <a href="Query.java.html"><b><i>View Source</i></b></a>
31   *
32   * <a href="RuleEngineQuery.java.html"><b><i>View Source</i></b></a>
33   *
34   * @author Michael C. Han
35   */
36  public class Query {
37  
38      public static Query createCustomQuery() {
39          return new Query(QueryType.CUSTOM);
40      }
41  
42      public static Query createStandardQuery() {
43          return new Query(QueryType.STANDARD);
44      }
45  
46      public void addArgument(Object object) {
47          if (_queryType.equals(QueryType.STANDARD)) {
48              throw new IllegalStateException(
49                  "Standard queries cannot accept query arguments");
50          }
51  
52          _arguments.add(object);
53      }
54  
55      public void addArguments(List<?> arguments) {
56          if (_queryType.equals(QueryType.STANDARD)) {
57              throw new IllegalStateException(
58                  "Standard queries cannot accept query arguments");
59          }
60  
61          _arguments.addAll(arguments);
62      }
63  
64      public void addArguments(Object[] arguments) {
65          if (_queryType.equals(QueryType.STANDARD)) {
66              throw new IllegalStateException(
67                  "Standard queries cannot accept query arguments");
68          }
69  
70          if ((arguments != null) && (arguments.length > 0)) {
71              _arguments.addAll(Arrays.asList(arguments));
72          }
73      }
74  
75      public Object[] getArguments() {
76          return _arguments.toArray(new Object[_arguments.size()]);
77      }
78  
79      public String getQueryString() {
80          return _queryString;
81      }
82  
83      public QueryType getQueryType() {
84          return _queryType;
85      }
86  
87      public void setQueryString(String queryString) {
88          if (_queryType.equals(QueryType.STANDARD)) {
89              throw new IllegalStateException(
90                  "Standard queries cannot accept query strings");
91          }
92  
93          _queryString = queryString;
94      }
95  
96      private Query(QueryType queryType) {
97          _queryType = queryType;
98      }
99  
100     private List<Object> _arguments = new ArrayList<Object>();
101     private String _queryString;
102     private QueryType _queryType;
103 
104 }